Inovance SV670N Series Troubleshooting Manual
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Inovance SV670N Series Troubleshooting Manual

Inovance SV670N Series Troubleshooting Manual

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  • Page 2: Preface

    Introduction Thank you for purchasing the SV670N series servo drive developed by Inovance. The SV670N series servo drive is a high‑end servo drive designed based on global‑ leading standards and high‑end application needs. It is featured with high speed, high precision, high performance, and tuning‑free Function.
  • Page 3 Provides instructions on maintenance SV670N Series Servo Drive 19011864 and repair of the equipment. Maintenance Guide Presents the safety function and related SV670N Series Servo Drive Safety certifications and standards, wiring, 19011861 Guide commissioning process, troubleshooting, and functions. Provides information on selection,...

  • Page 4: Table Of Contents

    Table of Contents T T a a b b l l e e o o f f C C o o n n t t e e n n t t s s Preface ................1 General Safety Instructions .

  • Page 5: General Safety Instructions

    Use this equipment according to the designated environment requirements. ● Damage caused by improper use is not covered by warranty. Inovance shall take no responsibility for any personal injuries or property damage ● caused by improper use. Safety Levels and Definitions Indicates that failure to comply with the notice will result in death or severe personal injuries.
  • Page 6 General Safety Instructions Unpacking Do not install the equipment if you find damage, rust, or signs of use on the equipment ● or accessories upon unpacking. Do not install the equipment if you find water seepage or missing or damaged ●...
  • Page 7 General Safety Instructions Handle the equipment with care during transportation and mind your steps to prevent ● personal injuries or equipment damage. When carrying the equipment with bare hands, hold the equipment casing firmly with ● care to prevent parts from falling. Failure to comply may result in personal injuries. Store and transport the equipment based on the storage and transportation ●...
  • Page 8 General Safety Instructions Cover the top of the equipment with a piece of cloth or paper during installation. This is ● to prevent unwanted objects such as metal chippings, oil, and water from falling into the equipment and causing faults. After installation, remove the cloth or paper on the top of the equipment to prevent over‑temperature caused by poor ventilation due to blocked ventilation holes.
  • Page 9 General Safety Instructions Before power‑on, check that the equipment is installed properly with reliable wiring and ● the motor can be restarted. Check that the power supply meets equipment requirements before power‑on to ● prevent equipment damage or a fire. After power‑on, do not open the cabinet door or protective cover of the equipment, ●...
  • Page 10 General Safety Instructions Perform routine and periodic inspection and maintenance on the equipment according ● to maintenance requirements and keep a maintenance record. Repair Equipment installation, wiring, maintenance, inspection, or parts replacement must be ● performed only by professionals. Do not repair the equipment with power ON. Failure to comply will result in an electric ●...
  • Page 11 General Safety Instructions Dynamic braking is common in rotating mechanical structures. For example, when ● a motor has stopped running, it keeps rotating due to the inertia of its load. In this case, this motor is in the regenerative state and short‑circuit current passes through the dynamic brake.

  • Page 12: Fault Level And Display

    Fault Level and Display Fault Level and Display Faults and warnings of the servo drive are divided into three levels based on severity: No. 1 > No. 2 > No. 3, as shown below. No. 1 non‑resettable fault ● No. 1 resettable fault ●...

  • Page 13: Fault Reset

    Fault Reset Fault Reset Faults and warnings of the servo drive are divided into three levels based on severity: No. 1 > No. 2 > No. 3, as shown below. No. 1 non‑resettable fault ● No. 1 resettable fault ● No.
  • Page 14 Fault Reset Start Process Cause Fault Symptom Confirming Method The servo drive may, depending on the warning types, continue running after warning reset. When FunIN.2 is assigned to a low‑speed DI, the effective level change of this DI must be kept for more than 3 Fault/Warning reset ms.

  • Page 15: Description Of Warning Codes

    Description of Warning Codes Description of Warning Codes E108.0: Parameter write error ● Cause: Parameter values cannot be written to e2prom. Confirming Method Cause Solution If the modification is not Modify a certain parameter, saved and the fault persists power off and on the servo An error occurs during after the servo drive is drive again and check...
  • Page 16 Description of Warning Codes Confirming Method Cause Solution If the modification is not Modify a certain parameter, saved and the fault persists power off and on the servo An error occurs during after the servo drive is drive again and check parameter‑reading.
  • Page 17 Description of Warning Codes Confirming Method Cause Solution Replace the motor or drive. ● Check rated motor voltage If the motor and drive can ● the motor and drive do not and current (H00.09, H00.11) work properly in spite of match in the rated power.
  • Page 18 Description of Warning Codes Cause: The single‑channel output pulse frequency exceeds the frequency upper limit allowed by the hardware (4 MHz) when pulse output is used (H05.38 = 0/1/2). Confirming Method Cause Solution When H05.38 is set to 0 (encoder frequency‑division Decrease the value of H05.17 output) or 2 (2nd encoder (encoder frequency‑division...
  • Page 19 Description of Warning Codes Mechanical couplings of the load are loose or eccentric. Rectify the mechanical faults. A warning occurs during auto‑tuning and causes interruption. Rectify the fault causes and perform inertia auto‑tuning again. The vibration cannot be suppressed if the load carries a large inertia. In this case, increase the acceleration/deceleration time first to ensure the motor current is unsaturated.
  • Page 20 Description of Warning Codes Confirming Method Cause Solution If a hardware DI is used, check whether the corresponding DI function is allocated to a certain DI in group 2003h and check the wiring of this DI. Change the There is only high‑speed DI logic manually and searching but no low‑speed observe the value of H0B.03...
  • Page 21 Note E731.0 and E733.0 can trigger E730.0. See E731.0 and E733.0 for other solutions. E730.1: Inovance 2nd encoder battery voltage low ● Cause: Inovance 2nd encoder battery voltage is lower than 3.0 V. Confirming Method Cause Solution Inovance 2nd encoder Use a new battery with the Measure the battery voltage.
  • Page 22 Description of Warning Codes E831.0: AI2 zero offset too large ● Cause Confirming Method Solution Use shielded twisted pairs Check the wiring according 1. The wiring is incorrect or and shorten the circuit to the correct wiring interference exists. length. Increase AI2 input diagram.
  • Page 23 Description of Warning Codes Confirming Method Cause Solution Check whether H04.00, DI (DI1...DI5) function H04.02, H04.04, H04.06, and Set DI function parameters parameters are set to invalid H04.08 are set to invalid to valid values. values. values. E902.1: DO setting invalid ●...
  • Page 24 5. The servo drive model or equipped with a serial‑type and motor model properly motor model is set encoder in H00.05 and the according to section "Servo improperly. servo drive model in H01.10. Drive Model and Nameplate" in SV670N Series Servo Drive Selection Guide. ‑23‑...
  • Page 25 Description of Warning Codes Confirming Method Cause Solution Check the reference and the motor speed (H0b.00) through the software tool or the keypad. References in the position ● control mode: H0b.13 (Input position reference counter) 6. The motor is stalled due References in the speed ●...
  • Page 26 Description of Warning Codes Confirming Method Cause Solution Measure whether the input voltage in the control circuit cable is within the following range: 220 V servo drive: Value range: 220 V to 240 V Allowable deviation: – 10% to +10% (198 V to 264 V) 380 V servo drive: Overvoltage occurred on the Re‑connect or replace the...
  • Page 27 Set H02.25 according to section Wiring and Setting of Check the setpoint of Regenerative Resistor in ● 3. H02.25 (Regenerative H02.25. SV670N Series Servo Drive resistor type) is set Measure the resistance of Hardware Guide. ● improperly when an external the external regenerative H02.25 = 1 (external,...
  • Page 28 Confirming Method Cause Solution Perform moment of inertia auto‑tuning according to section "Inertia auto‑tuning" in SV670N Series Servo Drive 7. The load moment of Function Guide or calculate Select an external inertia ratio is too large. the total mechanical inertia ●...
  • Page 29 Description of Warning Codes The estimated temperature of the regenerative transistor is higher than H0A.18 (IGBT overtemperature threshold). Confirming Method Cause Solution 1. The junction temperature of the regenerative Control the working The regenerative transistor transistor is too high. temperature exceeds the conditions and usage of the 2.
  • Page 30 Description of Warning Codes Confirming Method Cause Solution Check whether a certain DI Check the operation mode ● and on the prerequisite of in group H03 is assigned 1. The logic of the DI ensuring safety, send a with FunIN.14. assigned with FunIN.14 (P‑...
  • Page 31 Description of Warning Codes Cause: An encoder algorithm error occurs. Confirming Method Cause Solution If the servo drive is powered off and on several times but the warning is still reported, Replace the servo motor. An encoder fault occurs. it indicates that the encoder is faulty.

  • Page 32: Description Of Fault Codes

    Description of Fault Codes Description of Fault Codes Troubleshooting E101.0: parameter error in H02 and above ● Cause: The total number of parameters changes, which generally occurs after software update. Values of parameters in groups H02 and above exceed the limit, which generally occurs after software update.
  • Page 33 Description of Fault Codes Confirming Method Cause Solution Check whether parameter Reset the servo drive model values in group H02 and and servo motor model, and 4. The software is updated. above exceed the upper/ restore system parameters to lower limit due to software default settings (H02.31 = 1).
  • Page 34 Cause Solution Check whether the MCU version (H01.00) is 9xx.x (the fourth digit displayed The software versions of Contact Inovance for on the keypad is 9); MCU and FPGA are technical support. Update Check whether the FPGA inconsistent. the FPGA or MCU software.
  • Page 35 Description of Fault Codes Confirming Method Cause Solution 1. FPGA failure 2.FPGA and HOST communication The fault persists after the handshaking error servo drive is powered off Replace the servo drive. and on repeatedly. 3.Access timeout occurs between HOST and the coprocessor E104.2: Current loop operation timeout (FPGA break down) ●...
  • Page 36 Description of Fault Codes Confirming Method Cause Solution Read the nameplates of the servo drive and motor to If the motor code is check whether SV670N unknown, set H00.00 to series servo drive and 23‑bit 14101 when the SV670N servo motor are used. series servo drive and 23‑bit 1.
  • Page 37 Description of Fault Codes Confirming Method Cause Solution Check whether the servo drive model is correct. If the The internal scale value is set current sampling Replace the servo drive. abnormal. coefficient is too large, calculation overflow will occur. E120.6: FPGA and motor model mismatch ●...
  • Page 38 Description of Fault Codes Confirming Method Cause Solution Assign different DI function numbers to these Check whether H03.02, parameters, and then re‑ H03.04...H03.20 and H17.00, energize the control circuit 1. Multiple DIs are assigned H17.02...H17.30 are set with to activate the assignment, with the same function.
  • Page 39 Description of Fault Codes Confirming Method Cause Solution Assign different DI function numbers to these Check whether H03.02, parameters, and then re‑ H03.04...H03.20 and H17.00, 1. The same function is energize the control circuit H17.02...H17.30 are set with assigned to different VDIs to activate the assignment, the same non‑zero DI or switch off the S‑ON signal...
  • Page 40 Check whether the encoder cable provided by Inovance is used. For cable specifications, see "Matching Cables". The Use the encoder cable cable must be connected provided by Inovance. securely without...
  • Page 41 Description of Fault Codes E150.0: STO safety state applied ● Cause: The STO input protection applies (safety state). Confirming Method Cause Solution There is no need to take any corrective actions. After the 1. Check whether the STO STO terminal is back to function is activated.
  • Page 42 Description of Fault Codes E150.3: STO input circuit hardware diagnosis failure ● Cause: Short circuit occurs on the optocoupler of the upstream hardware circuit of STO. Confirming Method Cause Solution Short circuit occurs on the The fault persists and the Replace the servo drive.
  • Page 43 Description of Fault Codes Confirming Method Cause Solution Set the upper limit to a proper value. Check if the slope for SLS3 SLS3 deceleration ramp Change the SLS3 ramp to decelerate to the monitor exceeds the upper deceleration setting so limit exceeds the upper limit.
  • Page 44 Servo drive operates improperly. Replace it. Check whether the encoder cable provided by Inovance is used. Check whether the cable is aging, corroded, or 2. The encoder is wired connected loosely. Re‑solder, tighten or replace improperly, aging, or Switch off the S‑ON signal...
  • Page 45 Description of Fault Codes Cause Confirming Method Solution Switch off the S‑ON signal and rotate the motor shaft manually. Check whether the value of H0b.17 (Electrical angle) changes as motor shaft rotates. Replace with a Disconnect the motor regenerative resistor with cable and power on the 3.
  • Page 46 Description of Fault Codes Confirming Method Cause Solution Check whether the servo drive power cables and motor cables on the U, V, and W sides of the servo Motor cables are in poor drive are loose. Tighten the cables that contact.
  • Page 47 "Current feedback" in the software tool. Check whether the encoder 2. The encoder is wired cable provided by Inovance Re‑solder, tighten or replace improperly, aging, or is used and whether the the encoder cable. connected loosely.
  • Page 48 "Current feedback" in the software tool. Check whether the encoder 2. The encoder is wired cable provided by Inovance Re‑solder, tighten or replace improperly, aging, or is used and whether the the encoder cable. connected loosely.
  • Page 49 Description of Fault Codes Confirming Method Cause Solution Check whether resistance of Replace with a regenerative the external regenerative 3. Overcurrent occurs on the resistor is too small or the resistor of matching regenerative resistor. resistance. Perform wiring regenerative resistor is short‑circuited (between again.
  • Page 50 Description of Fault Codes The DC bus voltage exceeds the discharge threshold. ■ The phase U current of size C/D/E models is greater than 1/4 of H01.07. ■ Overcurrent occurs on phase‑P and phase‑N of servo drives in SIZE A and B. ■...
  • Page 51 View the servo drive and servo motor. For use of of servo motor nameplates to 3. The encoder model is SV670N series servo drive check whether the devices wrong or the encoder is and 23‑bit servo motor, set used are Inovance SV670N wired improperly.
  • Page 52 Description of Fault Codes Cause Confirming Method Solution Check if large discharge current is present due to The accumulative heat of the regenerative resistor high bus voltage. Check whether the value of exceeds the maximum Ensure that the motor H0b.67 exceeds 100%. thermal capacity of the cannot be driven regenerative resistor.
  • Page 53 Description of Fault Codes Confirming Method Cause Solution Check the power input specifications of the servo drive and measure whether the voltage input to main circuit cables (R/S/T) on the drive side is within the following range: Replace or adjust the power 1.
  • Page 54 Description of Fault Codes Confirming Method Cause Solution If the resistance is "∞" (infinite), the regenerative resistor is disconnected internally. If a built‑in regenerative resistor is used, change to use an external regenerative resistor If the built‑in regenerative (H02.25 = 1 or 2) and resistor is used (H02.25 = 0), remove the jumper check whether terminals P...
  • Page 55 Check whether H0b.26 (Bus voltage) is within the following range: 220 V servo drive: H0b.26 ＞ 420 V 6. The bus voltage sampling Contact Inovance for 380 V servo drive: H0b.26 ＞ value deviates greatly from technical support. 760 V the measured value.
  • Page 56 Description of Fault Codes 220 V servo drive: Normal value: 310 V Undervoltage threshold: 200 V (180 V for S5R5 models) 380 V servo drive: Normal value: 540 V Undervoltage threshold: 380 V Confirming Method Cause Solution 1. The power supply of the Check the power input main circuit is unstable or specifications of the servo...
  • Page 57 Description of Fault Codes 380 V servo drive: Normal value: 540 V Undervoltage threshold: 380 V Confirming Method Cause Solution Check the power input 1. The power supply of the main circuit is unstable or specifications of the servo drive and measure whether power failure occurs.
  • Page 58 Description of Fault Codes Confirming Method Cause Solution Check the power input specifications of the servo drive and measure whether the input voltage at the power supply side of the main circuit cables and R/S/ T on the drive side is within the following range: 220 V servo drive: Value range: 220 V to 240 V...
  • Page 59 Description of Fault Codes Confirming Method Cause Solution Check the power input specifications of the servo drive and measure whether the input voltage at the power supply side of the main circuit cables and R/S/ T on the drive side is within the following range: 220 V servo drive: Value range: 220 V to 240 V...
  • Page 60 Description of Fault Codes Confirming Method Cause Solution Check whether RST cables 1. The three‑phase input on the drive side and non‑ Replace the cables and cables are connected drive side are in good connect the main circuit improperly. condition and connected cables properly.
  • Page 61 Description of Fault Codes Cause: Confirming Method Cause Solution Check the specifications of the power supply and measure whether the voltage input to the main circuit is within the following range: 220 V servo drive: 1. The control power supply Value range: 220 V to 240 V Increase the capacity of the of servo drives in size C/D/E...
  • Page 62 Description of Fault Codes Confirming Method Cause Solution Check whether the motor Position control mode:CSP: speed corresponding to the ● Decrease the position input reference exceeds the reference increment per overspeed threshold. synchronization period. Position control mode:In ● The host controller should CSP mode, check the gear cover the position ramp ratio 6091.01h/6091.02h to...
  • Page 63 Description of Fault Codes Confirming Method Cause Solution Check whether the servo drive power cables are Connect the U/V/W cables in 1. FPGA internal speed connected in the correct the correct phase sequence. overflows. sequence at both ends. Check in the software tool Adjust the gains or 2.
  • Page 64 5. The servo drive model or (H00.00) and drive model motor model properly motor model is set (H01.10) stored in the bus according to section "Servo improperly. encoder. Drive Model and Nameplate" in SV670N Series Servo Drive Hardware Guide. ‑63‑...
  • Page 65 Description of Fault Codes Confirming Method Cause Solution Check the reference and motor speed (H0b.00) through the software tool or keypad. References in the position ● control mode: H0b.13 (Input position reference 6. The motor is stalled due counter) References in the speed to mechanical factors, Eliminate the mechanical ●...
  • Page 66 Description of Fault Codes Confirming Method Cause Solution Perform motor trial run 1. U/V/W output phase loss, Connect cables again without load and check wire breakage or incorrect according to the correct cable connections and the phase sequence occurs on wiring diagram or replace phase sequence.
  • Page 67 Description of Fault Codes The brake circuit is faulty. Confirming Method Cause Solution Set H02‑16 to 0. The brake or the 24 V power Check whether 24 V power supply is not connected supply or the brake is not Replace the motor. when the brake feature is connected when H02.16 is Connect the brake cable...
  • Page 68 Description of Fault Codes E640.0: IGBT junction temperature too high ● Cause: The IGBT temperature reaches the fault threshold defined by H0A.18. Confirming Method Cause Solution Improve the cooling ● conditions of the servo drive to lower down the Measure the ambient ambient temperature.
  • Page 69 Description of Fault Codes Confirming Method Cause Solution Improve the cooling ● conditions of the servo drive to lower down the Measure the ambient ambient temperature. temperature and view the 1. The ambient temperature Change the fault reset ● fault records (set H0b.33 and is too high.
  • Page 70 Description of Fault Codes Confirming Method Cause Solution Improve the cooling 1. The ambient temperature Measure the ambient conditions of the servo drive is too high. temperature. to lower down the ambient temperature. Change the fault reset method. After overload View the fault log (set occurs, wait for 30s before H0b.33 and view H0b.34).
  • Page 71 Description of Fault Codes Confirming Method Cause Solution Set the notch manually. Modify the electronic gear ratio to improve the command resolution, increase the command filter time constant in the During ETune operation, the Check if vibration resonance gain drops to the lower limit: is properly suppressed in the parameter configuration Position loop gain <...
  • Page 72 Description of Fault Codes Confirming Method Cause Solution Set the notch manually when vibration cannot be suppressed automatically. Modify the electronic gear ratio to improve the Check whether resonance Check whether there is command resolution, that occurred during ITune abnormal noise or torque increase the command operation cannot be fluctuation during...
  • Page 73 Description of Fault Codes An encoder multi‑turn counting error occurs. Confirming Method Cause Solution Set H0d.20 to 2 to clear the The encoder is faulty. Replace the motor. fault, but E733.0 persists after restart. E735.0: Encoder multi‑turn counting overflow ● Cause: A multi‑turn counting overflow occurs on the absolute encoder.
  • Page 74 Description of Fault Codes Confirming Method Cause Solution Check whether H00.00 (Motor code) is set properly. Check whether the encoder cable is An error occurs on the Check whether the value of connected properly. communication between the H0b.28 is not 0. Check whether the servo servo drive and the encoder.
  • Page 75 Description of Fault Codes E760.0: Encoder overtemperature ● Cause: The temperature of the absolute encoder is too high. Confirming Method Cause Solution The temperature of the Switch off the S‑ON signal to Measure the encoder or absolute encoder is too wait for the encoder to cool motor temperature.
  • Page 76 The fault persists after the 2. The servo drive is faulty. Replace the servo drive. servo drive is restarted. E770.7: Fully closed‑loop Inovance 2nd encoder communication error ● ‑75‑...
  • Page 77 Check whether ambient devices terminals are connected securely. are generating interference and Preferably use cables provided by whether multiple interference Inovance. If a customized sources are present in the encoder cable is used, check cabinet. whether this cable is a shielded Make servo drive stay in "Rdy"...
  • Page 78 Description of Fault Codes Confirming Method Cause Solution Check whether the power cables are disconnected Motor three phase cable Check the wiring of U/V/W or in poor contact. Re‑ breakage power cables. connect the power cables. Replace the servo motor. E939.1: Phase‑U power cable disconnected ●...
  • Page 79 Description of Fault Codes Confirming Method Cause Solution Check for wrong connection, disconnection and poor 1. The serial incremental contact of the encoder Check the wiring. encoder cable is cable. Route the motor disconnected or loose. cable and encoder cable through different routes.
  • Page 80 Description of Fault Codes Confirming Method Cause Solution Check the position loop gain and speed loop gain of the Adjust the gain values 4. The gain values are too servo drive. manually or perform gain low. 1st gain set: H08.00...H08.02 auto‑tuning.
  • Page 81 Description of Fault Codes Confirming Method Cause Solution Connect cables again Perform a no‑load trial run 1. U/V/W output phase loss according to the correct on the motor and check the or incorrect phase sequence wiring diagram or replace wiring. occurs on the servo drive.
  • Page 82 Description of Fault Codes Confirming Method Cause Solution CSP: Decrease the position ● Position control mode: reference increment per In CSP mode, check the ● synchronization period. gear ratio 6091.01h/ The host controller should 6091.02h to determine the cover the position ramp position reference when generating increment for an individual...
  • Page 83 Description of Fault Codes Confirming Method Cause Solution Check whether the maximum speed of the motor fulfills the application requirement. If yes, reduce the target position reference increment, which is to lower the profile reference speed. If not, replace the servo motor. Check the variation between Before switching the The target position...
  • Page 84 Description of Fault Codes Confirming Method Cause Solution Check whether the maximum speed of the motor fulfills the application requirement. If yes, reduce the target position reference increment, which is to lower the profile reference speed. If not, replace the servo motor. Check the variation between Before switching the The target position...
  • Page 85 Description of Fault Codes EB01.4: Max. value of single‑turn position exceeded in rotation mode ● Cause: The target position exceeds the upper/lower limit of the unit position in the single‑ turn absolute mode. Confirming Method Cause Solution The target position exceeds Check whether the set target Set the target position to a the upper/lower limit of the...
  • Page 86 Description of Fault Codes Confirming Method Cause Solution Check the position loop gain and speed loop gain of the Adjust the gain values 4. The gain values are too servo drive. manually or use gain auto‑ low. 1st gain set: H08.00...H08.02 tuning.
  • Page 87 Description of Fault Codes Confirming Method Cause Solution Check the reference and motor speed (H0b.00) through the software tool or keypad. References in the position ● control mode: H0b.13 (Input position reference counter) References in the speed 3. The motor is stalled due Eliminate the mechanical ●...
  • Page 88 Description of Fault Codes Confirming Method Cause Solution 6. The value of H0F.08 is Increase the setpoint of insufficient for the operating Check the value of 6065h. 6065h. conditions. Monitor the operating waveforms using the If the position reference is oscilloscope function in the 7.
  • Page 89 Solution Check whether the SYNC The SYNC signal is not Replace the servo drive. signal period is 0 using the generated due to hardware Contact Inovance for oscilloscope in the software errors. maintenance. tool. EE08.1: Network status switchover error ●...
  • Page 90 H0E‑25 have values the network cable or one designated by that are increased. improper connection. Inovance. Check whether the ● network cable is connected properly. EE08.5: Data frame transfer error ●...
  • Page 91 Description of Fault Codes Confirming Method Cause Solution The lower limit of the Reset the values and ensure software position limit is Check the values of the former is smaller than equal to or larger than the 607D.01h and 607D.02h. the latter.
  • Page 92 Solution If the fault persists after the master is replaced, measure the synchronization signal 3. The slave controller generated by the slave Contact Inovance for integrated circuit is controller integrated circuit replacing the slave damaged. with an oscilloscope. If there controller integrated circuit.
  • Page 93 Description of Fault Codes Confirming Method Cause Solution Check the configuration of SM2 for errors. Ensure that the SM2 channel 1. The master station is Check whether the index of is configured correctly. configured incorrectly. the RxPDO mapping object The index of the RxPDO The slave XML file is dictionary is out of bounds mapping object dictionary is...
  • Page 94 Description of Fault Codes EE11.0: ESI check error ● Cause: The attempt to load the XML file fails during EtherCAT communication. Confirming Method Cause Solution Check whether the XML 1. The XML configuration file version displayed in H0E.96 Download the XML file. is not downloaded.

  • Page 95: Internal Faults

    Replace the servo drive. communication timeout servo drive is powered off and on repeatedly. Internal Faults When any one of the following fault occurs, contact Inovance for technical support. E602.0: Angle auto‑tuning failure ● E220.0: Phase sequence incorrect ● EA40.0: Parameter auto‑tuning failure ●...

  • Page 96: List Of Warning Codes

    P‑MOS short‑circuited No. 1 E631 E631.5 N‑MOS short‑circuited No. 1 Encoder battery warning E730.0 No. 3 E730 Inovance 2nd encoder battery voltage E730.1 No. 3 AI1 zero offset too large E831 E831.0 No. 3 AI1 overvoltage E834.1 No. 3 E834 E834.2...
  • Page 97 List of Warning Codes Display Fault Type Fault Code Name Resettable Regenerative transistor over‑ E924 E924.0 No. 3 temperature Modified parameters activated at next E941 E941.0 No. 3 power‑on Parameters saved frequently E942 E942.0 No. 3 Forward overtravel warning E950 E950.0 No.

  • Page 98: List Of Fault Codes

    List of Fault Codes List of Fault Codes No. 1 non-resettable faults: Table 6–1 List of No. 1 non‑resettable faults Display Fault Type Fault Code Fault Name Resettable Abnormal parameters in groups H02 E101.0 No. 1 and above Parameter error in group H00/H01 E101.1 No.
  • Page 99 List of Fault Codes Display Fault Type Fault Code Fault Name Resettable Absolute encoder communication E740.0 No. 1 timeout E740.2 Absolute encoder error No. 1 E740 Absolute encoder single‑turn E740.3 No. 1 calculation error E740.6 Encoder write error No. 1 Nikon encoder over‑temperature or E765 E765.0...
  • Page 100 No. 1 BISS response data error E770.5 No. 1 Fully closed‑loop 2nd encoder E770.6 No. 1 initialization communication error Fully closed‑loop Inovance 2nd E770.7 No. 1 encoder communication error Motor power cables disconnected E939.0 No. 1 Phase‑U power cable disconnected E939.1...
  • Page 101 List of Fault Codes No. 2 resettable faults Table 6–3 List of No. 2 resettable faults Display Fault Type Fault Code Fault Name Resettable Different DIs assigned with the same E122.1 No. 2 function Different DOs assigned with the same E122.2 No.
  • Page 102 List of Fault Codes Display Fault Type Fault Code Fault Name Resettable Synchronization signal loss EE08.0 No. 2 EE08.1 Status switchover error No. 2 Network cable connected improperly EE08.3 No. 2 EE08 Data frame loss protection error EE08.4 No. 2 EE08.5 Data frame transfer error No.
  • Page 103 *19011863A01*...

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